849088221 has 4 divisors (see below), whose sum is σ = 1132117632. Its totient is φ = 566058812.

The previous prime is 849088199. The next prime is 849088231. The reversal of 849088221 is 122880948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 849088221 - 2⁵ = 849088189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849088231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141514701 + ... + 141514706.

It is an arithmetic number, because the mean of its divisors is an integer number (283029408).

Almost surely, 2^849088221 is an apocalyptic number.

It is an amenable number.

849088221 is a deficient number, since it is larger than the sum of its proper divisors (283029411).

849088221 is a wasteful number, since it uses less digits than its factorization.

849088221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283029410.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 849088221 is about 29139.1183977827. The cubic root of 849088221 is about 946.9294104036.

The spelling of 849088221 in words is "eight hundred forty-nine million, eighty-eight thousand, two hundred twenty-one".